阅读说明：本技术 一种半自动血吸虫尾蚴收集装置 (Semi-automatic blood fluke cercaria collection device ) 是由 兰炜明 谢曙英 李召军 曾小军 于 2021-07-18 设计创作，主要内容包括：本发明属于公共卫生技术领域,且公开了一种半自动血吸虫尾蚴收集装置,包括中空船体漂浮囊,所述中空船体漂浮囊内部的左侧固定安装有尾蚴收集装置,且中空船体漂浮囊内部的中部固定安装有真空动力装置,所述尾蚴收集装置的左端凸出于中空船体漂浮囊的内部。本发明考虑操作安全性,将操作过程中人体接触的部件放置于无水环境,船体搬移时使用船体内部直管,尾蚴收集装置放置于船体内侧支架,废液通过排液管塞手柄旋转打开排液孔排放,做到人体皮肤接触部分不被水体润湿,降低人体感染血吸虫的风险。(The invention belongs to the technical field of public health, and discloses a semi-automatic blood fluke cercaria collecting device which comprises a hollow ship floating bag, wherein a cercaria collecting device is fixedly installed on the left side inside the hollow ship floating bag, a vacuum power device is fixedly installed in the middle inside the hollow ship floating bag, and the left end of the cercaria collecting device protrudes out of the inside of the hollow ship floating bag. The invention considers the operation safety, the components contacted with the human body in the operation process are placed in the waterless environment, the straight pipe in the ship body is used when the ship body is moved, the cercaria collecting device is placed on the bracket at the inner side of the ship body, the waste liquid is discharged by rotating the drain plug handle to open the drain hole, the contact part of the human body skin is not wetted by the water body, and the risk of infecting schistosome by the human body is reduced.)

1. The utility model provides a semi-automatic blood fluke cercaria collection device, includes cavity hull floating bag (2), its characterized in that: the left side of the inside of the hollow ship body floating bag (2) is fixedly provided with a cercaria collecting device (1), the middle of the inside of the hollow ship body floating bag (2) is fixedly provided with a vacuum power device (3), and the left end of the cercaria collecting device (1) protrudes out of the inside of the hollow ship body floating bag (2).

2. The semi-automatic schistosome cercaria collecting device of claim 1, wherein: the cercaria collecting device (1) comprises an inner spiral bottom cover (11), two layers of collecting filter membranes (13) and one layer of protective filter screen (12) are sequentially arranged at the upper end of the inner spiral bottom cover (11) from top to bottom, the top of the inner spiral bottom cover (11) is connected with a lower outer spiral shell (14) in a threaded manner, the top of the outer spiral shell (14) at the lower part is fixedly communicated with a second communicating hose (19), the top of the second communicating hose (19) is fixedly connected with a spherical external liquid temporary storage bag (15), the top of the spherical external liquid temporary storage bag (15) is fixedly communicated with a first communicating hose (18), the top of the first communicating hose (18) is connected with an external liquid collecting head (16) in a threaded manner, a floating plate (17) is fixedly arranged at the top of the external liquid collecting head (16), the inner spiral bottom cover (11) and the outer spiral shell (14) at the lower part are both fixedly arranged in the middle of the left side in the cercaria collecting device (1).

3. The semi-automatic schistosome cercaria collecting device of claim 1, wherein: the hollow ship body floating bag (2) comprises a floating bag (21), the top of the floating bag (21) is provided with a towing hole (22), and a sixty-degree perforated pipe bracket (23) is fixedly arranged at the upper left corner of the periphery of the floating bag (21), a cercaria collector bracket (24) is fixedly arranged in the middle of the left side in the floating bag (21), a strut (25) is fixedly arranged in the middle of the left side of the floating bag (21), an empty pipe nest (27) is movably sleeved on the periphery of the sixty-degree perforated pipe support (23), an outer sleeve floating plate (26) is fixedly arranged at the bottom of the hollow pipe nest (27), the bottom of the floating bag (21) is fixedly communicated with a drainage tube plug handle (28), and the middle parts of the two ends of the inner side of the floating bag (21) are provided with openings (29), and the inside of the sixty-degree perforated pipe support (23) is fixedly provided with a spherical external liquid temporary storage bag (15).

4. The semi-automatic schistosome cercaria collecting device of claim 1, wherein: vacuum power device (3) is including vacuum pump (31), the bottom wire connection of vacuum pump (31) has lithium cell group (32), and the top fixedly connected with of vacuum pump (31) connects vacuum pump hose (33).

5. The semi-automatic schistosoma japonicum cercaria collecting device of claim 2, wherein: the bottom of the inner part of the outer liquid collecting head (16) is provided with a V-shaped groove, the upper end of the surface of the outer liquid collecting head (16) is provided with a round small hole, the outer spiral shell (14) at the lower part and the inner spiral bottom cover (11) are both of disc-shaped structures and are in threaded connection with each other to limit and fix the first layer of protective filter screen (12) and the second layer of collecting filter screen (13).

Technical Field

The invention belongs to the technical field of public health, and particularly relates to a semi-automatic schistosoma cercaria collecting device.

Background

The oncomelania is the only intermediate host of the schistosoma japonicum, is bred in lakes and marshes, beaches, mountainous ditches and the like in a large quantity, the positive oncomelania releases infective cercaria at the liquid level of water areas such as the lakes and marshes, the beaches, the ditches and the like at a proper temperature, and mammals such as people, livestock and the like are infected by contacting water bodies in production and living so as to cause schistosomiasis; therefore, cercaria monitoring is carried out on the epidemic water of the large-area oncomelania snail activity in the lake and the marsh, the effect of early understanding the epidemic situation state of the schistosomiasis in the lake area can be achieved, and the warning and early warning purposes are achieved, the current epidemic water monitoring method mainly comprises the steps of carrying out water surface activity on a living mouse in a monitored water area, carrying out dissection after feeding for 35 days, and checking whether the mesentery and the liver of the mouse have schistosome imagoes (sentinel mouse); the sentinel mouse method has the defects of long implementation period, low feedback efficiency and easy omission, and can not know the epidemic situation state of one region in time to seriously influence the monitoring of the epidemic situation of the schistosomiasis.

The schistosoma cercaria collecting device collects suspended matters on the liquid level of the monitored water area through the cercaria collector, can solve the problems of long implementation period and low feedback efficiency of sentinel mouse monitoring epidemic water, and achieves the purpose of quickly early warning water body risks. And the device adopts a replaceable cercaria collector, thereby providing a solution for monitoring a large-scale water area.

Disclosure of Invention

The invention aims to solve the problems, and provides a semi-automatic schistosoma japonicum cercaria collecting device which has the advantages of safety in use, simplicity and convenience in operation, reusability and capability of monitoring a large-area water area.

In order to achieve the purpose, the invention provides the following technical scheme: a semi-automatic blood fluke cercaria collecting device comprises a hollow ship floating bag, a cercaria collecting device is fixedly mounted on the left side inside the hollow ship floating bag, a vacuum power device is fixedly mounted in the middle inside the hollow ship floating bag, the left end of the cercaria collecting device protrudes out of the inside of the hollow ship floating bag, the cercaria collecting device is communicated with the hollow ship floating bag through a guide pipe, and the hollow ship floating bag is connected with a vacuum pump of the vacuum power device through a hose.

As a preferred technical scheme of the invention, the cercaria collecting device comprises an inner spiral bottom cover, two layers of collecting filter membranes and one layer of protective filter screen are sequentially placed at the upper end inside the inner spiral bottom cover from top to bottom, the top of the inner spiral bottom cover is in threaded connection with a lower outer spiral shell, the top of the lower outer spiral shell is fixedly communicated with a second communicating hose, the top of the second communicating hose is fixedly connected with a spherical outer liquid temporary storage bag, the top of the spherical outer liquid temporary storage bag is fixedly communicated with a first communicating hose, the top of the first communicating hose is in threaded connection with an outer liquid collecting head, the top of the outer liquid collecting head is fixedly provided with a floating plate, the inner spiral bottom cover and the lower outer spiral shell are fixedly arranged in the middle of the left side inside the cercaria collecting device, the number of the cercaria collecting devices of the ship body is four, the four cercaria collecting devices are arranged around the hollow floating bag at equal angles, the cercaria collector is provided with a dish-shaped upper cover and a dish-shaped lower cover, the tops of the upper cover and the lower cover are respectively provided with an outer spiral hole and connected with an inner spiral hose, the upper end of the upper cover is connected with an outer liquid temporary storage bag, the lower end of the upper cover is connected with an inner side hole of a hollow ship floating bag, the cercaria collector is fixed on a cercaria collector support on the inner side of a ship body, a layer of protective filter screen is covered in the lower cover of the cercaria collector, two layers of collecting filter membranes are covered on a protective screen, the outer spiral of the upper cover is rotationally fixed in the lower cover, and the collecting filter membranes are tightly clamped.

As a preferable technical scheme of the invention, the hollow ship body floating bag comprises a floating bag, the top of the floating bag is provided with a towing hole, and the upper left corner of the periphery of the floating bag is fixedly provided with a sixty-degree perforated pipe bracket, the middle part of the left side inside the floating bag is fixedly provided with a cercaria collector bracket, and the middle part of the left side of the floating bag is fixedly provided with a supporting column, the periphery of the sixty-degree perforated pipe support is movably sleeved with an empty pipe nest, the bottom of the hollow pipe nest is fixedly provided with an outer sleeve floating plate, the bottom of the floating bag is fixedly communicated with a drain plug handle, and the middle parts of the two ends of the inner side of the floating bag are both provided with openings, the inside of the sixty-degree perforated pipe bracket is fixedly provided with a spherical external liquid temporary storage bag, the middle parts of the hollow cavities of the floating bag of the hollow ship body are communicated by a straight pipe, the straight pipe can play a role of a handle when the ship body is lifted off, and is connected with an outer spiral hole of an outer spiral shell at the lower part through an inner spiral hose; an outer spiral hole is formed in the inner side of the drainage plug handle, the outer spiral hole is communicated with a vacuum pump through an inner spiral hose, the front end of the drainage plug handle is provided with 1 independent towing hole, the middle part of the rear end of the drainage plug handle is provided with an inner spiral drainage hole, and the outer spiral of latex is connected with the drainage hole; the bottom outer side of an inner side hole in the top of a ship body is connected with a sixty-degree perforated pipe support, a support column with a sixty-degree top clamp is arranged in the middle of 2 perforated supports on one side of a floating bag, a floating plate is sleeved outside the support column, and sixty-degree connecting hollow pipes at two ends of the floating plate are nested in the perforated pipe support (because the floating plate is in liquid and is at the same height as an outer liquid head floating plate, the highest point of the hollow pipe nesting is lower than the floating plate, otherwise, the outer liquid collecting filter head can be directly jacked out of the water surface).

As a preferable technical scheme of the invention, the vacuum power device comprises a vacuum pump, wherein the bottom of the vacuum pump is connected with a lithium battery pack through an electric wire, and the top of the vacuum pump is fixedly connected with a hose connected with the vacuum pump.

As a preferred technical scheme of the invention, the bottom inside the external liquid collecting head is provided with a V-shaped groove, the upper end of the surface of the external liquid collecting head is provided with a round small hole, the lower external spiral shell and the internal spiral bottom cover are both of disc-shaped structures and are in threaded connection to limit and fix the first layer of protective filter screen and the second layer of collecting filter screen.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention considers the operation safety, the components contacted with the human body in the operation process are placed in the waterless environment, the straight pipe in the ship body is used when the ship body is moved, the cercaria collecting device is placed on the bracket at the inner side of the ship body, the waste liquid is discharged by rotating the drain plug handle to open the drain hole, the contact part of the human body skin is not wetted by the water body, and the risk of infecting schistosome by the human body is reduced.

2. According to the invention, the cercaria collecting filter membrane is subjected to microscopic examination, so that the rapid qualitative determination can be carried out on a specific monitored water area, and the attachment on the cercaria collecting filter membrane can also provide a test material for subsequent molecular biological research.

3. The invention has the advantages that the structure is convenient to integrally install and disassemble, the replaceable cercaria collector is arranged, the liquid evacuation can be carried out by matching with the hollow ship body floating bag for repeated use, and the effect of recycling different environmental water areas is achieved.

Drawings

FIG. 1 is a schematic cross-sectional view of the entire structure of the present invention;

fig. 2 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1. a cercaria collecting device; 11. an inner spiral bottom cover; 12. a layer of protective filter screen; 13. collecting the filter membrane in two layers; 14. a lower external spiral shell; 15. a spherical external liquid temporary storage bag; 16. an external liquid collecting head; 17. A floating plate; 18. a first communication hose; 19. a second communication hose; 2. a hollow hull buoyant bag; 21. A floating bag; 22. a towing hole; 23. sixty-degree holed tube support; 24. cercaria collector stent; 25. A pillar; 26. a floating plate is sleeved outside; 27. nesting empty pipes; 28. a drain plug handle; 29. opening a hole; 3. A vacuum power plant; 31. a vacuum pump; 32. a lithium battery pack; 33. and connecting a vacuum pump hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1 to 2, the invention provides a semi-automatic schistosome cercaria collecting device, which comprises a hollow ship floating bag 2, wherein a cercaria collecting device 1 is fixedly arranged at the left side inside the hollow ship floating bag 2, a vacuum power device 3 is fixedly arranged at the middle part inside the hollow ship floating bag 2, the left end of the cercaria collecting device 1 protrudes out of the inside of the hollow ship floating bag 2, the cercaria collecting device 1 is communicated with the hollow ship floating bag 2 through a conduit, and the hollow ship floating bag 2 is connected with a vacuum pump of the vacuum power device 3 through a hose.

Wherein, the cercaria collecting device 1 comprises an inner spiral bottom cover 11, two layers of collecting filter membranes 13 and one layer of protective filter screen 12 are sequentially placed at the upper end inside the inner spiral bottom cover 11 from top to bottom, the top of the inner spiral bottom cover 11 is connected with a lower outer spiral shell 14 through a thread, the top of the lower outer spiral shell 14 is fixedly communicated with a second communicating hose 19, the top of the second communicating hose 19 is fixedly connected with a spherical outer liquid temporary storage bag 15, the top of the spherical outer liquid temporary storage bag 15 is fixedly communicated with a first communicating hose 18, the top of the first communicating hose 18 is connected with an outer liquid collecting head 16 through a thread, the top of the outer liquid collecting head 16 is fixedly provided with a floating plate 17, the inner spiral bottom cover 11 and the lower outer spiral shell 14 are fixedly arranged in the middle part at the left side inside the cercaria collecting device 1, the number of the cercaria collecting devices 1 is four, the four cercaria collecting devices 1 are arranged around the hollow floating bag 2 at equal angles, the cercaria collector is provided with a dish-shaped upper cover and a dish-shaped lower cover, the tops of the upper cover and the lower cover are respectively provided with an external spiral hole and connected with an internal spiral hose, the upper end of the upper cover is connected with an external liquid temporary storage bag, the lower end of the upper cover is connected with an opening hole on the inner side of the hollow ship floating bag 2, the cercaria collector is fixed on a cercaria collector bracket 24 on the inner side of the ship, a layer of protective filter screen 12 is covered in the lower cover of the cercaria collector, two layers of collecting filter membranes 13 are covered on the protective screen, and the external spiral of the upper cover is rotationally fixed in the internal spiral of the lower cover and tightly clamps the collecting filter membranes.

Wherein the hollow ship body floating bag 2 comprises a floating bag 21, the top of the floating bag 21 is provided with a towing hole 22, and the upper left corner of the periphery of the floating bag 21 is fixedly provided with a sixty-degree perforated pipe bracket 23, the middle part of the left side inside the floating bag 21 is fixedly provided with a cercaria collector bracket 24, and the middle part of the left side of the floating bag 21 is fixedly provided with a supporting column 25, the periphery of the sixty-degree perforated pipe support 23 is movably sleeved with an empty pipe nest 27, the bottom of the empty pipe nest 27 is fixedly provided with an outer sleeve floating plate 26, the bottom of the floating bag 21 is fixedly communicated with a drainage pipe plug handle 28, the middle parts of the two ends of the inner side of the floating bag 21 are respectively provided with an opening 29, the inside of the sixty-degree perforated pipe bracket 23 is fixedly provided with a spherical external liquid temporary storage bag 15, the middle of the hollow cavity of the hollow hull floating bag 2 is communicated by a straight pipe, the straight pipe can play a role of a handle when the ship body is lifted off, and is connected with the outer spiral hole of the outer spiral shell 14 at the lower part through the inner spiral hose; 2 external spiral holes are arranged on the inner side of the drainage plug handle 28, the inner side of the drainage plug handle is communicated with a vacuum pump 31 through an internal spiral hose, the front end of the drainage plug handle is provided with 1 independent towing hole 22, the middle part of the rear end of the drainage plug handle is provided with 1 internal spiral drainage hole, and one end of the drainage plug handle 28 is connected with a latex external spiral through the drainage hole; the bottom outer sides of 4 holes in the inner side of the top of a ship body are connected with sixty-degree perforated pipe supports, a support column with a clamp at the top of the sixty-degree is arranged in the middle of 2 perforated supports at one side of a floating bag 21, a floating plate is sleeved outside the support column, and 2 empty pipes are connected with two ends of the floating plate in a sixty-degree mode and are nested in the perforated pipe supports.

Wherein, vacuum power device 3 is including vacuum pump 31, and vacuum pump 31's bottom wire connection has lithium cell group 32, and vacuum pump 31's top fixedly connected with connects vacuum pump hose 33.

Wherein, the bottom inside the external liquid collecting head 16 is provided with a V-shaped groove, and the upper end of the surface of the external liquid collecting head 16 is provided with a round small hole; the outer spiral shell 14 and the inner spiral bottom cover 11 at the lower part of the cercaria collector are both disc-shaped structures, and the two are in threaded connection to limit and fix the first layer of protective filter screen 12 and the second layer of collecting filter screen 13.

The working principle and the using process of the invention are as follows:

the device mainly comprises a cercaria collecting device 1, a hollow hull floating bag 2 and a vacuum power device 3, when in use, the vacuum power device 3 is communicated with the hollow hull floating bag 2 to provide vacuum for the hollow hull floating bag 2, the hollow hull floating bag 2 is communicated with a cercaria collector and transmits the vacuum to a spherical external liquid temporary storage bag 15, the inner side of the lower end of the cercaria collecting device 1 is vacuumized to adhere liquid and floating objects around an external liquid collecting head 16 including the cercaria to a two-layer collecting filter membrane 13 and suck the liquid into the floating bag 21, the floating bag 21 sinks to lead the empty pipe nests 27 at the two ends of an outer sleeve plate 26 on a supporting column 25 to ascend, when the external liquid collecting head 16 leaves the liquid level to stop collecting operation, the attached objects on the collecting filter membrane in the cercaria collecting device 1 are checked, the liquid can be drained in time and quickly to obtain a qualitative result, a liquid drainage pipe plug handle 28 can be used for carrying out on the hollow hull floating bag 2, the inner spiral bottom cover 11 and the outer spiral shell 14 at the lower part in the cercaria collecting device are replaced to collect cercaria in different water areas, and the attachment of the two layers of collecting filter membranes 13 in the cercaria collecting device 1 can also provide materials for molecular biology research.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.